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US1660499A
|
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Conduit-grounding bushing
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US1728280A
|
|
Conduit-grounding bushing
|
|
US1679452A
|
|
Electric grounding connection
|
|
US1660498A
|
|
Electric grounding connection
|
|
US1612332A
|
|
Conduit cap
|
|
US1523501A
|
|
Conduit cap
|
|
US1381770A
|
|
Terminal ground-clamp
|
|
US1385650A
|
|
Terminal-fitting for electrical installations
|
|
US1369589A
|
|
Elbow-fitting for electric installations
|
|
US1366851A
|
|
Elbow-fitting for electric installation
|
|
US1407308A
|
|
Swivel conduit cap for electric installation
|
|
US1407307A
|
|
Conduit cap for electric installation
|
|
US1266887A
|
|
Conduit-cap for electric installation.
|
|
US1134565A
|
|
Box-connector for electric installation.
|
|
US1101892A
|
|
Pipe-conduit fitting for electric installation.
|
|
US1064402A
|
|
Pipe-conduit fitting for electric installation.
|
|
US943287A
|
|
Conduit-cap for electric installation.
|
|
US932196A
|
|
Electric-installation outlet-box.
|
|
US913588A
|
|
Adjustable coupling for electric-installation tubes.
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US899639A
|
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Box-connector for electric installation.
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