| 摘要 |
PROBLEM TO BE SOLVED: To provide watermarked multilayered combination paper of at least three layers, declining in no watermark clearness checked visually by transmitted light even in case of being furnished with a nonwoven fabric as the intermediate layer attenuating transmitted light level. SOLUTION: The watermarked multilayered combination paper is composed of an upper layer 3, an intermediate layer 2 of nonwoven fabric and an lower layer 1 and has watermark 5 provided on the upper layer 3 and/or the lower layer 1 and an opening 4a provided on the intermediate layer 2, wherein the opening 4a is located within the watermark 5's region. COPYRIGHT: (C)2008,JPO&INPIT |
