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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0406686 (1989-09-13) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 6 인용 특허 : 6 |
A window sash frame which has fiberglass reinforced plastic framing members. The framing members have associated subframes. The subframes are joined at their ends so that the ends of the framing members are drawn towards each other to form a window sash frame having tight fitting corner joints. An a
A window sash frame, comprising: a plurality of framing members each made of fiberglass reinforced plastic and each having a pair of ends; said framing members each defining a channel; a plurality of subframing members, each said subframing member being received in said channel; and mechanical faste
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