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发明名称
Method of making gas-cell material
摘要
申请公布号
US1779395(A)
申请公布日期
1930.10.21
申请号
US19270234049
申请日期
1927.11.17
申请人
GOODYEAR-ZEPPELIN CORPORATION
发明人
HUERTTLE KARL
分类号
B64B1/58
主分类号
B64B1/58
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代理人
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