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GB605969A
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Screw threading tool and method
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|
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Stud and installation thereof
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|
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Screw thread gauge
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Screw thread
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Method of treating metal-coated screws
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Thread cutting tool
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Dies for cutting external screw threads
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GB420631A
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Improvements in and relating to gauges for testing internal screw threads
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US1996128A
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Fastener
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Improvements in or relating to means for cutting external screw threads
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GB407620A
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Improvements in screw thread cutting taps
|
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Means for forming a fluid-tight joint
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GB405480A
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Improvements in or relating to machines for shaping work pieces by grinding, abrading or cutting
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GB399985A
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Separable fasteners and installations thereof
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GB400105A
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Improvements in fastening means
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GB399980A
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Improvements in fastening means
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US1969796A
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Separable fastener and installation thereof
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US1988926A
|
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Separable fastener and method of making the same
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US1988925A
|
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Separable fastener and installation thereof
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US1954852A
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Screw thread gauge
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