JPS6260192B
UTO AKIRA, URATA SHIZUHIRO, NAKAMURA KENJI, OOCHI AKIRA, ARAKI ISAMU, SAKAMOTO MITSUGI, FUKUHARA SHINJI, TSUBOTA TSUNEHISA, KUWATA SHICHIRO, SAKANASHI HIROSHI, ISHIZAWA IKUMI
Year of Publication 15.12.1987
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Year of Publication 15.12.1987
Patent