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Cigarette filter

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131/20

Patent

CA 883586

Hayashi Katsumi

G - Physics – 03 – C
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Hayashi Shigeya

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Kaneko Takashi

B - Operations – Transporting – 66 – B
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Kuwahara Kazuo

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Okano Kenji

A - Human Necessities – 47 – L
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Mitsubishi Acetate Co.

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Mitsubishi Rayon Company Ltd.

D - Textiles – Paper – 02 – J
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