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发明名称
COLUMN ABRADING APPARATUS
摘要
申请公布号
GB8720872(D0)
申请公布日期
1987.10.14
申请号
GB19870020872
申请日期
1987.09.04
申请人
MACDONALD & CO (PNEUMATIC TOOLS) LTD, JOHN;ALLAN, D J
发明人
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