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    • 9. 发明申请
    • Pocket Isometric Pad
    • 袖珍等距垫
    • US20090096204A1
    • 2009-04-16
    • US11870131
    • 2007-10-10
    • John Walker
    • John Walker
    • B42D1/02
    • B42D15/0006B42D5/003
    • A notepad includes a sheet in the notepad having a first line in a first direction, a second line in a second direction, and a third line in a third direction. The first line, the second line and the third line may form an isometric pattern, and the first line is in a first direction. The second line may be in a second direction, and the third line may be in a third direction. The first line may be substantially perpendicular to the second line, and the third line may be substantially perpendicular to a edge of the sheet. The notepad may include a cover having indicia, and the indicia may include special offset solutions, and the indicia may include conversion constants. The indicia may include decimal equivalents to a fraction chart, and the indicia may include piping angles and solutions to the piping angles. The indicia may include pipe circumferences divided into equal parts, and the indicia may include dimensions and formulas for welded fittings.
    • 记事本包括在记事本中的具有第一方向的第一行,第二方向上的第二行和第三方向上的第三行的纸张。 第一行,第二行和第三行可以形成等距图案,并且第一行处于第一方向。 第二线可以在第二方向上,第三线可以在第三方向。 第一线可以基本上垂直于第二线,并且第三线可以基本上垂直于片的边缘。 记事本可以包括具有标记的盖,并且标记可以包括特殊的偏移解决方案,并且标记可以包括转换常数。 标记可以包括分数图的十进制等价物,并且标记可以包括管道角度和管道角度的解决方案。 标记可以包括被分成相等部分的管道周长,并且标记可以包括用于焊接配件的尺寸和公式。