Toshiyuki Aoki

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Oaza Shimoono, Sowamachi, Sarushima-gun, Ibaraki-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rust-proof sealing composition
- Patent number 4,999,135
- Issue date Mar 12, 1991
- Hiroshi Matsuda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...