John MacDonald & (Pneumatic Tools) Ltd.

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Glasgow, GB

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for scabbling concrete
- Patent number 4,841,842
- Issue date Jun 27, 1989
- John MacDonald & (Pneumatic Tools) Ltd.
- David T. Allan
- B28 - WORKING CEMENT, CLAY, OR STONE