- 专利标题: Multi-socket, box wrench
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申请号: US42033申请日: 1995-05-04
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公开(公告)号: USD375667S公开(公告)日: 1996-11-19
- 设计人: Richard J. Macor
- 申请人: Richard J. Macor
- 申请人地址: NJ Stewartsville
- 专利权人: Proprietary Technologies, Inc.
- 当前专利权人: Proprietary Technologies, Inc.
- 当前专利权人地址: NJ Stewartsville
公开/授权文献
- US5316659A Upgrading of bitumen asphaltenes by hot water treatment 公开/授权日:1994-05-31
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