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Application filed by 有限会社 シ−・エス・ユ−filedCritical有限会社 シ−・エス・ユ−
Priority to JP1987054708UpriorityCriticalpatent/JPH0728602Y2/ja
Priority to US07/177,587prioritypatent/US4939606A/en
Priority to DE3812283Aprioritypatent/DE3812283A1/de
Publication of JPS63161442UpublicationCriticalpatent/JPS63161442U/ja
Application grantedgrantedCritical
Publication of JPH0728602Y2publicationCriticalpatent/JPH0728602Y2/ja