Assignee
SUDO MICHIO
3 patents
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US4251197AFeb 17, 1981
Stretching apparatus of a flattened cylindrical film
SUDO MICHIO4 citations60
US4047997ASep 13, 1977
Method for manufacturing a flattened cylindrical film consisting of layers of thermoplastic resin stretched lengthwise and crosswise
SUDO MICHIO4 citations60
US4017229AApr 12, 1977
Apparatus for uniting concentrically extruded tubular films of thermoplastic synthetic resin
SUDO MICHIO1 citations49