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经营范围
发明名称
Improvements in or relating to the cutting of helical grooves
摘要
申请公布号
GB731810(A)
申请公布日期
1955.06.15
申请号
GB19510028330
申请日期
1951.12.03
申请人
THE MOTOR GEAR & ENGINEERING COMPANY LIMITED;EDWARD SIDNEY HAMMETT
发明人
分类号
B23G1/02
主分类号
B23G1/02
代理机构
代理人
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地址
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