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发明名称
Ratchet wrench
摘要
申请公布号
US1903297(A)
申请公布日期
1933.04.04
申请号
US19300491204
申请日期
1930.10.25
申请人
PANSY H. MILLER;H & E STANDARD AUTO PARTS
发明人
PATTERSON RICHARD B.
分类号
B25B13/46
主分类号
B25B13/46
代理机构
代理人
主权项
地址
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