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经营范围
发明名称
Screw manufacture
摘要
申请公布号
GB497690(A)
申请公布日期
1938.12.23
申请号
GB19370020659
申请日期
1937.07.26
申请人
PHILLIPS SCREW COMPANY
发明人
分类号
B21K1/46
主分类号
B21K1/46
代理机构
代理人
主权项
地址
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