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申请公布号:GB8714492(D0)

申请号:GB19870014492

申请日期:1987.06.20

申请公布日期:1987.07.22

申请人:
TOWERMASTER STEELWORKS LTD

分类号:E04H12/34;F21V21/36

主分类号:E04H12/34

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