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发明名称
Caster roller
摘要
申请公布号
US1902726(A)
申请公布日期
1933.03.21
申请号
US19320610253
申请日期
1932.05.09
申请人
SCHACHT WILLIAM F
发明人
SCHACHT WILLIAM F.
分类号
B60B33/00
主分类号
B60B33/00
代理机构
代理人
主权项
地址
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