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经营范围
发明名称
Capillary transducer
摘要
申请公布号
US2416978(A)
申请公布日期
1947.03.04
申请号
US19450573913
申请日期
1945.01.22
申请人
OLIVER W. STOREY
发明人
BURGESS CHARLES F.
分类号
H04R1/42;H04R23/00
主分类号
H04R1/42
代理机构
代理人
主权项
地址
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