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Document Type and Number:
Japanese Patent JPS5423690
Kind Code:
B2
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Application Number:
JP12148275A
Publication Date:
August 15, 1979
Filing Date:
October 08, 1975
Export Citation:
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International Classes:
C04B28/02; B28B1/00; B32B5/14; C04B40/00; C04B41/60; E04B1/92; E04C2/26; E04F13/02; E04F13/08; H01Q17/00



 
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