|
DE527124C
|
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Valve lifters for internal combustion engines
|
|
DE558899C
|
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Method of creating threads on the lathe
|
|
DE526747C
|
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Pipe connection in which the parts to be plugged into one another are clamped by mutual rotation
|
|
GB242299A
|
|
Improvements in or relating to screws, bolts and nuts
|
|
GB241211A
|
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An improved self-locking nut and bolt
|
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US1657244A
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Tight-holding bolt and nut
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GB239486A
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|
An improved self-locking nut and bolt
|
|
DE530478C
|
|
Screw locking for screws with rectangular thread
|
|
CA274475A
|
|
Non-loosening bolt and nut
|
|
CA275517A
|
|
Fastener
|
|
CA285955A
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Lathe attachment
|
