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发明名称
HEAT INSULATION MATERIAL
摘要
<p>PURPOSE:To improve heat insulation effect with smaller heat conductivity by controlling spaces between panels by providing projected parts on panel of heat insulation material made with many layered metal panel.</p>
申请公布号
JPS52131250(A)
申请公布日期
1977.11.04
申请号
JP19760047757
申请日期
1976.04.28
申请人
HITACHI LTD
发明人
SAGAWA WATARU
分类号
F16L59/06;B32B3/30;F16L59/08;F16L59/12
主分类号
F16L59/06
代理机构
代理人
主权项
地址
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