| 摘要 |
An easily assembled and disassembled device for cutting a tape from a roll of tape and opening an envelope which includes a push button member having a cutting blade and a push button, a tape guiding member supported on an envelope inserting member and a roll tape supporting member assembled therewith and the push button member, whereby when push button is downwardly pushed, the tape disposed on the tape guiding member or an envelope inserted into the envelope inserting member is easily and straightly cut by the cutting blade of the push button member.
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