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1971-01-26
Busbar coupler system
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2003-06-03
Montagem de conexão rápida para montar instalações elétricas
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1937-04-13
House wiring system
GB135438A
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1900-01-01
DE59106321D1
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1995-09-28
Elektrisches installationssystem.
SE9302023L
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1993-12-16
Isolator med inre passage
NO750995L
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1975-09-30
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1889-06-11
Electrical-distribution system
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1890-10-28
Assicxnor to the
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1897-07-13
Cable-head for electric wires
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1929-02-05
Conduit elbow
GB190618724A
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1907-02-07
A New or Improved System or Method of Laying or Erecting, and Improvements in or relating to, Conduits or Casings for Electric Conductors.
CN209217648U
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2019-08-06
一种弱电工程线管安装固定装置
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1889-10-22
Underground conduit
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1954-08-04
Improvements in or relating to electrical cable fittings for holding cables in engagement with junction boxes and other casings for electrical devices
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1994-01-01
Conectador para cable plano.
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1904-09-08
A New or Improved Apparatus for use in Laying Pipes for Sewers, Drains, Electric Light, Gas and Water Mains and such like
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1902-09-18
Improvements in Conduits for Laying Electric Cables
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1907-05-28
Apparatus for laying or placing electric conductors in pipes
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1902-05-15
An Improved Feeder or Junction Box for Electric Mains
GB1233844A
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1971-06-03
GB190817512A
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1908-10-15
Electrical Conduit Junction Boxes for Electrical Out-let Fittings, such as Switches, Wall Plugs and the like.
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1882-06-06
Christian h
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1915-10-28
Improvements in Electric Cable Joint Boxes and the like.
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1913-06-24
Circuit-extension box.