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发明名称
Shore
摘要
申请公布号
US1797616(A)
申请公布日期
1931.03.24
申请号
US19270161272
申请日期
1927.01.15
申请人
MARTIN HOWARD C
发明人
MARTIN HOWARD C.
分类号
E04G25/06
主分类号
E04G25/06
代理机构
代理人
主权项
地址
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