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in october , astronaut walter schirra used a swedish hasselblad medium format camera with a german zeiss lens during his flight. since then, the hasselblad cameras with zeiss lenses have been "space qualified" and have been used time and again in space missions apollo nasa wide-angle lens for photos of...
bjorklund، نويسنده , , thomas g. and lim، نويسنده , , sang-hyun and bardeen، نويسنده , , christopher j.، نويسنده , issue information : دوماهنامه با شماره پیاپی سال pages : from page : to page : abstract : the effects of precursor solvent on the optical properties and morphology of poly(p-phenylene vinylene...
trade barriers aimed at stemming the flood of garments from the far east to europe and america. good news for the thai garment industry. there must be many garment buyers looking for good apparel manufacturers to fill the shelves and hangers of their shops and boutiques back home. extra good news for...