DE2848867
SHIMANAKA, HIROSHI, FUNABASHI, JP, IRIE, TOSHIO, CHIBA, JP, MATSUMURA, KO, ICHIHARA, JP, NAKAMURA, HIROTO, CHIBA, JP, SUZUKI, TOSHIO, CHIBA, JP
Year of Publication 01.10.1981
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Year of Publication 01.10.1981
Patent