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经营范围
发明名称
Improvements in or relating to spindles for spinning and twisting machines
摘要
申请公布号
GB857091(A)
申请公布日期
1960.12.29
申请号
GB19570034601
申请日期
1957.11.06
申请人
PIERO SERRA
发明人
分类号
D01H7/20
主分类号
D01H7/20
代理机构
代理人
主权项
地址
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