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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0605346 (1990-10-30) |
우선권정보 | FR-0014202 (1989-10-30) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 89 인용 특허 : 0 |
A combined sheet material including at least two absorbent sheets, such as of cellulose-cotton, each having a density of between from 10 to 40 g/m2. Each of the sheets is separately embossed by calendaring them into a pattern of protuberances distributed in a first pitch along a first direction for
A combined sheet material comprising at least two absorbent sheets wherein each of said sheets has a basis weight of between from 10 to 40 g/m2, each of said sheets is separately embossed by calendaring such that each of said sheets has a pattern of protuberances formed therein which are distributed
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