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经营范围
发明名称
Removable beam seat
摘要
申请公布号
US3373988(A)
申请公布日期
1968.03.19
申请号
US19650489333
申请日期
1965.09.22
申请人
MICHAEL J. MCKELVEY
发明人
MCKELVEY MICHAEL J.
分类号
B23K37/04
主分类号
B23K37/04
代理机构
代理人
主权项
地址
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