Johannes H. M. Van Helmond

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Helmond, NL

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Patents Grantslast 30 patents

Information Patent Grant
Scaffolding construction, in particular means for joining two or mo...
- Patent number 5,462,134
- Issue date Oct 31, 1995
- SGB Holdings Ltd. for These Research & Development Dept. Holland
- Johannes H. M. Van Helmond
- E04 - BUILDING