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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5272305
Kind Code:
U
Application Number:
JP16070675U
Publication Date:
May 30, 1977
Filing Date:
November 25, 1975
Export Citation:
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International Classes:
E02D17/20; A01C1/04; A01C21/00; E02D5/00; E02D31/00; (IPC1-7): A01C21/00; B65D29/02; E02D5/00; E02D31/00
Domestic Patent References:
JP46008105U