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发明名称
Spindle for spinning and twisting machines with hollow rod for liquid lubrication ofrotating parts
摘要
申请公布号
US2952966(A)
申请公布日期
1960.09.20
申请号
US19570694279
申请日期
1957.11.04
申请人
PIERO SERRA
发明人
SERRA PIERO
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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