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Document Type and Number:
Japanese Patent JPS4956734
Kind Code:
U
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Application Number:
JP9982572U
Publication Date:
May 18, 1974
Filing Date:
August 26, 1972
Export Citation:
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International Classes:
E02B3/04; E02B3/12; E02D31/00; (IPC1-7): E02B3/04; E02B3/12; E02D31/00



 
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