ISO 24450:2005 specifies requirements and dimensions for an internationally acceptable series of conical flasks and of flat-bottom and round-bottom flasks with wide neck for general laboratory purpose. The flasks are provided for direct use in laboratory, fitting together with other equipment for general laboratory purposes, and for further work up to other products. For narrow-necked boiling flasks, ISO 1773 applies. For boiling flasks with conical ground joints, see IS...
You can specify the type of files you want, for your gadget.ISO 24450:2005, Laboratory glassware - Wide-necked boiling flasks | ISO/TC 48/SC 6. I was recommended this book by a dear friend of mine.
