BASE MATERIAL FOR EXPANSION MOLDED PRODUCT AND MANUFACTURE OF EXPANSION MOLDED PRODUCT

PROBLEM TO BE SOLVED: To obtain efficiently a molded product requiring an opening at a specific position by omitting the number of excess man days without complicating a shape by a method wherein a small piece part to be inserted for blocking a recessed opening part is separably formed in a base mat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KUMAZAKI HIROYUKI, YAMAMOTO EIJI
Format: Patent
Sprache:eng
Schlagworte:
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