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If you can't find the information you're looking for on our website, or if you wish to ask a question or give us your feedback, please use this form. Enter your name or the name of your company in the field 'Name', your valid e-mail address in the field 'Email', select your country in the field 'Country' (select 'Other' if your country is not on the list), and your request in the field 'Request'. Upon clicking the 'send' button a confirmation message containing the text of your request will be sent to the e-mail address you provided in the field 'Email'. The reply to your request will also be sent to that e-mail address.
Note: If you do not receive any messages from us it may indicate that delivery of e-mails from OPEN CASCADE server to your address fails, due to some reasons. In such case, please, try to repeat your request providing a different e-mail address.