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发明名称
Brake drum
摘要
申请公布号
US1953815(A)
申请公布日期
1934.04.03
申请号
US19320595075
申请日期
1932.02.25
申请人
METZNER ROBERT B
发明人
METZNER ROBERT B.
分类号
F16D65/10
主分类号
F16D65/10
代理机构
代理人
主权项
地址
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