Combination square

Details Combination square Combination square

1988-12-02

1991-10-01

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

D10 65

Patent

active

D03203590

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patent: 4729173 (1988-03-01), Wilson
Stanley Cat., "Best", Squares, 8/70, p. 90.

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