| 摘要 |
PROBLEM TO BE SOLVED: To easily and surely mount an alarm onto a mounting face. SOLUTION: This alarm 1 for issuing the alarm by detecting any abnormality generation in a monitoring area is provided with a mounting base 20 for mounting the alarm 1 onto a mounting face W. A mounting guide 21 for almost uniforming the relative position of the mounting base 20 to the mounting face W is projected on a face 20a facing the mounting face W in the mounting base 20. Also, a first mounting hole for putting a first nail 31 for plaster board is formed in the mounting base 20. COPYRIGHT: (C)2006,JPO&NCIPI
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