Being the diaphragm integration base substance which has the multiple diaphragms which the diaphragm integration base substance, possess the production mannered nullPROBLEM TO BE SOLVED: To provide an acousto-electrical transducing element, using a single aggregate, to specify a plurality of sound source...
- Zhang Lili, “the most beautiful teacher , has moved us deeply. - Yes, and she is popular with her students.A. sometimes B. never C. always D. hardly
As it has the metal formation equippedPROBLEM TO BE SOLVED: To provide a new coaxial cable and a coaxial multi-conductor cable that can effectively avoid deterioration of electrical property caused by the plastic tape having a metal layer.小野 伸樹...
The shear ivy - which has safe halt function, frontal opening and closing machine null of blind北村 哲夫