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GB191400548A
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Improvements in or connected with Flexible Metallic Tubing.
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GB191321836A
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Improvements in Tube Cleaners.
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GB191230046A
|
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Improvements connected with Speaking Tubes.
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GB191129215A
|
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Improved Junctions for Flexible Metallic Pipes.
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GB191109145A
|
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Improvements in Unions or Couplings with Bayonet Joints for Pipes and Tubes.
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GB190903052A
|
|
Improvements in Unions or Couplings for Flexible Metallic Pipes.
|
|
GB190903050A
|
|
Improvements in Flexible Metallic Pipes.
|
|
GB190903051A
|
|
Improvements in Unions or Couplings for Flexible Metallic Pipes.
|
|
US653487A
|
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Flexible metallic tubing.
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