发明授权
US4656091A Insulating material for telephone cords and telephone cords incorporating same 失效
用于电话线的绝缘材料和并入其的电话线

Insulating material for telephone cords and telephone cords
incorporating same
摘要:
A telephone cord employs as an insulator for the conductors therein an extrudable blend of a styrene-ethylenebutylene-styrene copolymer with polypropylene.
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