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经营范围
发明名称
Dirigible airship
摘要
申请公布号
US1778273(A)
申请公布日期
1930.10.14
申请号
US19290396663
申请日期
1929.10.02
申请人
HARRY PARK;LITZENBERG WILLIAM R
发明人
PARK HARRY;LITZENBERG WILLIAM R.
分类号
B64B1/00
主分类号
B64B1/00
代理机构
代理人
主权项
地址
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