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发明名称
Cover for hatches
摘要
申请公布号
US1904736(A)
申请公布日期
1933.04.18
申请号
US19310580449
申请日期
1931.12.11
申请人
WILLIAM ISHERWOOD JOSEPH;WILLIAM ISHERWOOD
发明人
ISHERWOOD JOSEPH WILLIAM;ISHERWOOD WILLIAM
分类号
B63B19/24
主分类号
B63B19/24
代理机构
代理人
主权项
地址
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