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US2731744A
(en)
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Flexible bar type bump gate
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(en)
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Railroad toy
|
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Williams et al.
|
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A mechanical insect trap |
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(en)
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Sectionalizing switch
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SE183011C1
(enExample)
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|
|
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DE758329C
(de)
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Trennschalter fuer Hochspannungszwecke
|
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(en)
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Earth moving machine level indicator
|
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(en)
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Portable equipment for coursing parks
|
|
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(en)
|
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Safety device for overhead electric lines
|
|
DE964961C
(de)
|
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Hoechstspannungs-Trennschalter
|
|
US1755328A
(en)
|
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Suspension disconnecting switch and mounting therefor
|
|
US1903095A
(en)
|
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Gang operated switch
|
|
CN204886091U
(zh)
|
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一种用于除冰清障机械装置的缓冲机构
|
|
US2207061A
(en)
|
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Directional antenna system
|
|
DE934356C
(de)
|
|
Hoechstspannungstrennschalter, insbesondere fuer Freiluftanlagen
|
|
US1995126A
(en)
|
|
Electric circuit breaker
|
|
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(en)
|
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Separating switch for high-voltage aerial conductors
|
|
US1653855A
(en)
|
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Catenary suspension system
|
|
DE570173C
(de)
|
|
Freileitungsmasttrennschalter
|
|
US1723837A
(en)
|
|
Disconnecting switch
|
|
SU527758A1
(ru)
|
|
Разъединитель подвесной
|
|
SU725105A1
(ru)
|
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Подвесной разъединитель
|
|
US1395175A
(en)
|
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Merry-go-round
|
|
CN2094812U
(zh)
|
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等电位更换直线杆塔整串绝缘子工具
|
|
US1110374A
(en)
|
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Electrical switch.
|