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发明名称
An improved method of and means for manufacturing chains
摘要
申请公布号
GB563809(A)
申请公布日期
1944.08.31
申请号
GB19430001429
申请日期
1943.01.28
申请人
BROCKHOUSE CASTINGS LIMITED;JOHN CLEWS
发明人
分类号
B22D25/02
主分类号
B22D25/02
代理机构
代理人
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