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发明名称
CRANK OPERATED SAW CHAIN SHARPENER
摘要
申请公布号
US3487591(A)
申请公布日期
1970.01.06
申请号
USD3487591
申请日期
1967.11.24
申请人
OMARK IND. INC.
发明人
KAY SILVON
分类号
B23D63/16;(IPC1-7):B24B19/00;B24B23/00
主分类号
B23D63/16
代理机构
代理人
主权项
地址
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