|Note_en=Related to publication of the same text on ''Boy's Live'' of this month. Advertising for a [[Duofold]] model, for its new unbreakable ''[[Permanite]]'' material. | |Note_en=Related to publication of the same text on ''Boy's Live'' of this month. Advertising for a [[Duofold]] model, for its new unbreakable ''[[Permanite]]'' material. |