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发明名称
Diving equipment
摘要
申请公布号
US3034503(A)
申请公布日期
1962.05.15
申请号
US19550526650
申请日期
1955.08.05
申请人
MACKAY JR RALPH S
发明人
JR. RALPH S. MACKAY,
分类号
B63C11/22
主分类号
B63C11/22
代理机构
代理人
主权项
地址
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