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121Published 1929“...British Engineering Standards Association,...”
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122Published 1929“...British Engineering Standards Association,...”
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123Published 1929“...British Engineering Standards Association,...”
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124Published 1929“...British Engineering Standards Association,...”
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125Published 1929“...British Engineering Standards Association,...”
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126Published 1929“...British Engineering Standards Association,...”
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127Published 1933“...British Engineering Standards Association,...”
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128Published 1930“...British Engineering Standards Association,...”
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129Published 1930“...British Engineering Standards Association,...”
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130Published 1930“...British Engineering Standards Association,...”
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131Published 1931“...British Engineering Standards Association,...”
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132Published 1929“...British Engineering Standards Association,...”
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133Published 1929“...British Engineering Standards Association,...”
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134Published 1929“...British Engineering Standards Association,...”
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135Published 1929“...British Engineering Standards Association,...”
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136Published 1923“...British Engineering Standards Association,...”
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137Published 1927“...British Engineering Standards Association,...”
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138British standard specification for overhead line wire material for telegraph and telephone purposes.Published 1923“...British Engineering Standards Association,...”
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139Published 1923“...British Engineering Standards Association,...”
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140Published 1929“...British Engineering Standards Association,...”
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