发明授权
US5384430A Double armor cable with auxiliary line 失效
带辅助线的双重护套电缆

Double armor cable with auxiliary line
摘要:
A cable for a submersible pump has three insulated power conductors assembled in a flat configuration. The power conductors are wrapped with an inner armor such as a metal strip. An auxiliary line is placed alongside the inner armor and wrapped in an outer armor. The outer armor is also a metal strip.
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