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发明名称
RYUTAIKANNOBUNKITORIDASHOTSUGITE
摘要
申请公布号
JPH0239680(B2)
申请公布日期
1990.09.06
申请号
JP19810215468
申请日期
1981.12.25
申请人
OSAKA GAS CO LTD
发明人
KITAGAWA KOZO;YAMAMOTO SHIGERU
分类号
F16L41/06
主分类号
F16L41/06
代理机构
代理人
主权项
地址
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